What are the materials used for automotive wiring harness terminals?

Automotive wiring harness materials of wire a, wire most commonly used materials are: QBV, QVR, AVS, AVSS, etc., they are the main materials that make up the automotive wiring harness. Many friends of these designations may not understand, here is only an example. QBVV wire meaning: Q on behalf of highway vehicle wire, B on behalf of the thin-walled insulation, VVV refers to the PVC insulation, PVC sheath. Second, the automotive wiring harness material of the terminal. Terminal is the key material of automobile wiring harness connection. Third, the automotive wiring harness materials of the sheath. Sheaths are divided into two kinds of plastic sheaths and rubber sheaths, plastic sheaths are used for wiring harnesses and wiring harnesses or wiring harnesses and electrical appliances in the car between the docking connections; rubber sheaths are used for the body of the body over the holes in the positioning or for the wiring harness waterproof sealing. Fourth, the automotive wiring harness materials of the tube. Tubing on the harness plays a protective, waterproof role, but also can play the role of shock absorption to reduce noise. Tubing materials generally have PVC pipe, corrugated pipe, heat-shrinkable tube, silicone tube and so on. Tubing materials are generally used in automotive wet areas, that is, places with harsh working environments, such as engine compartments, chassis and so on. Heat shrink tubing is divided into single-wall heat shrink tubing and double-wall heat shrink tubing, single-wall heat shrink tubing is generally used for grounding terminals or medium voltage terminal insulation protection, double-wall heat shrink tubing is mainly used for the installation of wiring harnesses in the wet zone of the joints of the insulation waterproof. Fifth, the automotive wiring harness material tape. Harness tape is divided into cloth-based tape, plastic-based tape, flannel tape, paper tape, etc., almost every harness will use this material. The role of insulation, protection, waterproofing, shock absorption, sound insulation, marking points, wire harnesses into bundles and so on.

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